en.wikipedia.org/wiki/Octagon

In geometry, an **octagon** is an eight-sided polygon or 8-gon. A regular **octagon**
has Schläfli symbol {8} ...

www.coolmath.com/reference/polygons-08-octagons

**Properties** of octagons, interior angles of octagons Polygons: **Properties** of ... To
find the sum of the interior angles of an **octagon**, divide it up into triangles.

www.tutorvista.com/content/math/octagon

A polygon which has 8 sides is known as an **octagon**. It is a two-dimensional
closed shape. The word "**octagon**" is made up of octa + gonia which are Greek ...

study.com/academy/lesson/octagon-in-geometry-definition-properties-formula.html

Octagons appear in real life in all sorts of places: architecture, engineering, and
even nature. In this lesson, explore the **properties of an octagon**, learn how to ...

www.mathsisfun.com/geometry/octagon.html

An **octagon** is an 8-sided polygon (a flat shape with straight sides). First, have a
play ... A convex **octagon** has no angles pointing inwards. ... **octagon properties**.

www.mathsisfun.com/geometry/regular-polygons.html

Example: What is the exterior angle of a regular **octagon**? An **octagon** has 8 ... (
Not all polygons have those **properties**, but triangles and regular polygons do).

www.bbc.co.uk/schools/gcsebitesize/maths/geometry/polygonsrev4.shtml

Angle **properties** of polygons. In your exam, you might be asked to ... What is the
sum of the interior angles of an **octagon**? toggle answer. Answer. Did you get ...

www.mathopenref.com/octagon.html

... dragging any orange dot. By clicking on the top left command line, you can
switch it between a regular and irregular **octagon**. ... **Properties** of regular
octagons ...

link.springer.com/chapter/10.1007%2F978-94-009-0223-7_25

Abstract. Certain polygonal figures in Pascal's triangle have nice multiplicative or
greatest common divisor **properties**. Any polygonal figure with an even number ...